big javadoc cleanup; removing ascii endoded html characters

src/org/opensha/calc/DistanceFilters.java

src/org/opensha/calc/NehrpTestCity.java

src/org/opensha/data/DataUtils.java

src/org/opensha/eq/fault/Faults.java

src/org/opensha/eq/fault/package-info.java

src/org/opensha/eq/fault/scaling/MagAreaRelationship.java

src/org/opensha/eq/fault/scaling/MagLengthRelationship.java

.../eq/fault/scaling/impl/PEER_testsMagAreaRelationship.java

...sha/eq/fault/scaling/impl/WC1994_MagAreaRelationship.java

...a/eq/fault/scaling/impl/WC1994_MagLengthRelationship.java

src/org/opensha/eq/fault/surface/AbstractGriddedSurface.java

src/org/opensha/eq/fault/surface/Container2D.java

src/org/opensha/eq/fault/surface/Container2DImpl.java

src/org/opensha/eq/fault/surface/ContainerSubset2D.java

src/org/opensha/eq/fault/surface/GriddedSubsetSurface.java

...nsha/eq/fault/surface/GriddedSurfFromSimpleFaultData.java

src/org/opensha/eq/fault/surface/GriddedSurface.java

...g/opensha/eq/fault/surface/GriddedSurfaceWithSubsets.java

src/org/opensha/eq/fault/surface/RuptureSurface.java

src/org/opensha/eq/fault/surface/Surfaces.java